How will NASA's astronaut training hub change with commercial space stations?
A tour of Johnson Space Center in Houston shows how NASA and private industry are already working together on the future of human spaceflight.
Skywatching
On this day in space! Aug. 21, 1914: Total solar eclipse expedition crashed by WWI
On Aug. 21, 1914, a total solar eclipse temporarily darkened skies across Europe and Asia.
Spaceflight
Trump to award NASA's Artemis II astronauts the Congressional Space Medal of Honor
The NASA astronauts who flew around the moon on the Artemis II mission will receive the Congressional Space Medal of Honor next Friday (Aug. 28).
SpaceX fires up Starship ahead of megarocket’s 1st orbital flight (video)
SpaceX completed a single-engine test-firing of its next Starship spacecraft to prepare for its coming test flight, which will be the first to reach orbit.
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SpaceX launches 29 Starlink satellites, lands rocket on ship at sea (video, photos)
SpaceX launched yet another Starlink mission today (Aug. 21), sending 29 more of the broadband satellites to orbit from Florida's Space Coast.
Science & Astronomy
Japan unveils Mars moon sample-return spacecraft ahead of Oct. 19 launch (photos)
Japan recently gave the world a look at the spacecraft of its MMX mission, which will launch on Oct. 19 to grab pieces of the Mars moon Phobos and haul them back to Earth.
'Dark stars' could be the seeds of supermassive black holes, scientists say
A mysterious hum of gravitational waves that fills the cosmos may be the echo of long-dead "dark stars" that served as the seeds of the first supermassive black holes.
Space Photo of the Day
Ancient stars dazzle in a celestial chandelier | Space photo of the day for Aug. 21, 2026
Stars scattered across the cosmos sparkle in the appropriately named Chandelier Cluster.
Entertainment
'We Want to Believe' book explores the reality of UFOs: 'It's always going to be more likely that someone is wrong about what they saw' (interview)
Acclaimed literary critic and Senior Editor at The Atlantic Adam Kirsch explores humanity's insatiable drive to wonder at unidentified phenomena in the skies.
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Northern lights - live updatesThe latest aurora forecast for tonight help you make sure you're in the right place at the right time to see the northern lights.
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Rocket launch todayFollow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.
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Night sky for tonightFind out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.
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Live 4K video from space!Witness live views of Earth from the International Space Station as it orbits the planet. Space streaming company Sen is broadcasting 24/7 from the ISS in beautiful 4K HD.
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On this day in space!NASA astronaut Sally Ride became the first American woman in space aboard the space shuttle Challenger.
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ReferenceWhat is the moon phase today?See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.
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ReferenceSpace calendar 2025Keep up with all the rocket launches, astronomical events and mission milestones for 2025 with our space calendar.
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Search For Life
'This is unprecedented': Why the Pentagon's recent UFO file releases are so important
The Pentagon's recent spate of UFO releases represent a big shift and are of great benefit to the country, according to disclosure advocate Mike Gold.
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On this day in space! Aug. 15, 1977: Mysterious 'Wow!' Signal boosts search for E.T.
On Aug. 15, 1977, astronomers using Ohio State University's Big Ear radio telescope detected the famous "Wow!" signal, which remains unexplained to this day.
Are aliens running out of places to hide? It turns out we've searched much more of the galaxy than we realized
Astronomers may have already scanned millions of more stars than they thought, a realization that might lead to new ways to hunt for extraterrestrial radio signals.
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Technology
Hydrogen-powered 'rocket car' tops 400 mph in record-breaking test (video)
The JCB Hydromax vehicle averaged more than 400 mph during two runs in Utah last week, becoming the fastest hydrogen-powered car in history.
